F26B 17/18
Machines or apparatus for drying materials in loose, plastic, or fluidised form
Official title: with movement performed by rotating helical blades or other rotary conveyors {which may be heated} moving materials in stationary chambers {, e.g. troughs}
F26B17/18 (Machines or apparatus for drying materials in loose, plastic, or fluidised form) appears on 247 US grants and 171 published applications in this corpus.
Search patents in F26B- Granted patents
- 247
- Published applications
- 171
- Assignees
- 194
- Inventors
- 512
- Latest grant
- 31 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 4 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 4 | 0 |
| 1981 | 5 | 0 |
| 1982 | 4 | 0 |
| 1983 | 4 | 0 |
| 1984 | 2 | 0 |
| 1985 | 4 | 0 |
| 1986 | 2 | 0 |
| 1987 | 6 | 0 |
| 1988 | 8 | 0 |
| 1989 | 10 | 0 |
| 1990 | 5 | 0 |
| 1991 | 2 | 0 |
| 1992 | 6 | 0 |
| 1993 | 10 | 0 |
| 1994 | 9 | 0 |
| 1995 | 5 | 0 |
| 1996 | 7 | 0 |
| 1997 | 6 | 0 |
| 1998 | 3 | 0 |
| 1999 | 4 | 0 |
| 2000 | 9 | 0 |
| 2001 | 4 | 0 |
| 2002 | 5 | 3 |
| 2003 | 1 | 1 |
| 2004 | 3 | 4 |
| 2005 | 1 | 7 |
| 2006 | 3 | 4 |
| 2007 | 2 | 5 |
| 2008 | 4 | 8 |
| 2009 | 2 | 7 |
| 2010 | 0 | 8 |
| 2011 | 3 | 5 |
| 2012 | 11 | 5 |
| 2013 | 2 | 6 |
| 2014 | 3 | 7 |
| 2015 | 8 | 9 |
| 2016 | 11 | 7 |
| 2017 | 3 | 11 |
| 2018 | 7 | 10 |
| 2019 | 5 | 14 |
| 2020 | 14 | 7 |
| 2021 | 6 | 10 |
| 2022 | 5 | 6 |
| 2023 | 7 | 9 |
| 2024 | 8 | 6 |
| 2025 | 3 | 5 |
| 2026 | 3 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Counterflow rotary cooler31 Mar 2026US 12,590,767 B2Industrial Process Systems, Inc.
- Rotating-screw drying reactor10 Mar 2026US 12,571,588 B2Technische UniversitäT Dortmund
- Gasifier with a reaction zone and a cooling zone with alternately flighted augers and paddles27 Jan 2026US 12,534,672 B2McGolden, LLC
- Apparatus for continuous thermal separation of a multi-component substance23 Dec 2025US 12,504,229 B2Grant Prideco, L.P.
- Dryer screen quick release latch30 Sep 2025US 12,429,077 B2Maag Gala, Inc.
- Gasifier with a reaction zone and a cooling zone with alternately flighted augers and paddles23 Jul 2026US 2026/0209604 A1
- An arrangement for controlling temperature profile of a transferring device and a method thereof23 Jul 2026US 2026/0211435 A1Spinnova Oyj
- Continuous freeze-drying system with rotating helical tube and continuous freeze-drying method16 Jul 2026US 2026/0202129 A1Syntegon Telstar Technologies S.L.U.
- Separator device for dewatering wet matter4 Jun 2026US 2026/0151977 A1Vogelsang GmbH & Co. KG
- Apparatus for continuous thermal separation of a multi-component substance12 Mar 2026US 2026/0071817 A1Grant Prideco, L.P.
Most cited
By later US patents
- Procedure and installation for the incinerating of sludge61US 4,361,100 AWerner & Pfleiderer · 1982
- Radiant heater system for solid phase crystallization and polymerization of polymers59US 5,497,562 AHosokawa Bepex Corporation · 1996
- Process and apparatus for treating sewage sludge57US 5,401,402 ARDP Company · 1995
- Method for making free-flowing, melt-coated rubber pellets43US 4,483,886 AExxon Research & Engineering Co. · 1984
- Slurry dryer42US 5,570,517 AScott Equipement Company · 1996